20462288

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 52389504

約数和(自身を除く): 31927216

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 476, 616, 748, 952, 977, 1232, 1309, 1496, 1904, 1954, 2618, 2992, 3908, 5236, 6839, 7816, 10472, 10747, 13678, 15632, 16609, 20944, 21494, 27356, 33218, 42988, 54712, 66436, 75229, 85976, 109424, 116263, 132872, 150458, 171952, 182699, 232526, 265744, 300916, 365398, 465052, 601832, 730796, 930104, 1203664, 1278893, 1461592, 1860208, 2557786, 2923184, 5115572, 10231144, 20462288]

約数ペア:

[(1, 20462288), (2, 10231144), (4, 5115572), (7, 2923184), (8, 2557786), (11, 1860208), (14, 1461592), (16, 1278893), (17, 1203664), (22, 930104), (28, 730796), (34, 601832), (44, 465052), (56, 365398), (68, 300916), (77, 265744), (88, 232526), (112, 182699), (119, 171952), (136, 150458), (154, 132872), (176, 116263), (187, 109424), (238, 85976), (272, 75229), (308, 66436), (374, 54712), (476, 42988), (616, 33218), (748, 27356), (952, 21494), (977, 20944), (1232, 16609), (1309, 15632), (1496, 13678), (1904, 10747), (1954, 10472), (2618, 7816), (2992, 6839), (3908, 5236)]